Home / 8,011.26-12,015.90-3,328.38

Finding the Fourth Proportional to 8,011.26, 12,015.90 and 3,328.38

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Solution

The fourth proportional to 8,011.26, 12,015.90 and 3,328.38 is: 4,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.26 : 12,015.90 = 3,328.38 : x
  2. Step 2: Convert to fraction form
    8,011.26/12,015.90 = 3,328.38/x
  3. Step 3: Cross multiply
    8,011.26x = 12,015.90 × 3,328.38
  4. Step 4: Simplify right side
    8,011.26x = 39,993,481.24
  5. Step 5: Solve for x
    x = 39,993,481.24/8,011.26
  6. Step 6: Final answer
    x = 4,992.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.